package com.yzf.util.web;

import java.io.IOException;

import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;



public class EncoderFilter extends AbstractFilter  {
	private String charset = "UTF-8";
	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		request.setCharacterEncoding(charset);
		response.setCharacterEncoding(charset);
		chain.doFilter(request, response);
		
	}
	@Override
	public void init(FilterConfig config) throws ServletException {
		String encoder = config.getInitParameter("encoder");
		if(encoder==null||!"".equals(encoder)){
			encoder = charset;
		}
	}
}
